Genetics questions and answers in October 2022

Which recombinant gametes were the result of a double crossover event? Draw the two crossing over events, labelling all alleles, to show how you get the double crossover gametes.. e. Results of the th...
 . For this question below, refer to the phylogenetic tree illustrated below. Which of following statements is false? Feathers Feathers absent unknown Allosaurids Beiplaosaurus Tyrannosaurids Coudipt...
Highlight or underline or bold both the start and stop codons. 566 [Halobacillus sp. BBL2006] 299 aa protein GI:725818521 DNA sequence from NCBI TCAAAGGACTCCAGACTCAGTTTTAAAGCAATTTTGATGTGAATCCATAAAGGCA...
Which of the following is a reason why polyploidy is so common in plants? Group of answer choices Plants can tolerate high levels of self-fertilization because they aren't as affected by inbreeding de...
Please indicate which option is correct . thank you ..      Question: 1 If the enzyme Helicase is mutated and not functional what could be a consequence?   A) transcription will not occur B) DNA s...
 . Answer the following questions: 1. What are the cis acting factors that affect transcription? 2. How are enhancers different from promoters? 3. What are transcription factors? What part of the DNA...
 . 4. In a genetic experiment with fruit-fly Drosophila melanogaster, F1 females resulting from a cross between two pure-breeding parental (P) fly strains were mated with wild- type males. All of the...
  1. Below is an mRNA transcript encoding a small gene. Translate this gene into amino acids using the table. Be sure to include the amino and carboxyl ends of the peptide (it is not necessary to dra...
  Cases 1 and 3 were normal patients and the case 2 was abnormal with 44 total chromosomes. I just need to fill the table using the pictures below, all of them have the case ID on the left corner.  ...
DNMT1 is the maintenance methylation enzyme; it maintains DNA methylation after DNA has replicated. DNMT1 can also be involved in the recruitment of HDACs. In your research, you identify a mutation in...
10 pts The wild-type tra gene was cloned and placed in a P element under the control of a heat-shock promoter. (Thus, when the fly is heat-shocked at 35 .C for three hours, the tra gene will be transc...
 . I. Interpreting Pedigree Information Use the pedigrees you created for Justin and Glenda to answer the questions below. i. What is the genotype of Glenda's brother and sister? How do you know? Gen...
Question 1      A common aster flower has blue or pink color based on a single gene with a simple dominant-recessive relationship.  A true-breeding blue-flowered plant was crossed with a true-bree...
 . knowledge, Personal taste Prevereces, Mood, hunger level 2. Name two changes you could make to your diet to reduce the negative influencers and improve your nutrition intake. How can you motivate ...
   . 6. The color of sunflower pollen can be orange, yellow, or white-cream. Crosses reveal that true- breeding orange is dominant to both yellow and white-cream. However, a cross between true-breed...
 . 1. How do sex-influenced and sex-limited traits differ from sex-linked traits? 2. Give the sex of the following organism assuming that autosomes are present in the normal number. Sex chromosome Or...
Dominance of Alleles Red White Red bull While cow CRC X Pink Pink Pink Roan Roan Roan Roan Incomplete Dominance Codominance Incomplete dominance refers to the situation where the Codominance refers to...
Which of the following is an example of a potentially helpful genetic mutation?   a mouse that lives on a dark-colored surface being born with light colored fur     a mouse that lives on a green-co...
 . The Manx (tailless) cat phenotype results from heterozygo recessive lethal allele of a gene that encodes a protein involved in spine development during embryogenesis. If two Manx cats are bred, wh...
Morphologically similar and very closely related species of snapping shrimp live on  either side of the isthmus of Panama. Which mechanism of speciation does this observation support? (1 point)  (A)...
 . Read each of the DNA Sequence 1: sequences for the variable region of TK421. Indicate any ambiguities resulting from sequencing a heterozygous individual. G 4. Sequence 1: Sequence 2: A 5. Sequenc...
(1 point) Humans with the genotypes DD and Dd show the Rh+ blood phenotype,        whereas those with the genotype dd show the Rh- blood phenotype.  In a sample of       400 Basques from Spai...
 . 1. What is complementary DNA? e. A sequence of DNA as it is found in the genome f. DNA made from an RNA template g. The strand DNA opposite the strand used to make mRNA h. The sequence of cloned D...
The high fidelity of replication by DNA polymerase is due to all of the following EXCEPT...      1.  Appropriate helix geometry formed by complementary base pairing interactions between nucleotid...
based on the photos given: 1. How many hits are reported? 2. What are the hits generally associated with? 3. What's the Description of the top hit? 4. What's the percentage of the Query Cover of the t...
Is ancestry testing an important part of genetics research, or is it simply racial classification, but renamed
 and repackaged? Does ancestry studies perpetuate the misconception that race has a bio...
   . Cross Parents Progeny 1 Blue x Green All blue 2 Blue x Blue X blue : % turquoise 3 Green x Green * green : % turquoise 4 Blue x Turquoise X blue : % turquoise 5 Blue x Blue X blue : % green Blu...
In your lab you have an F -  strain of E. coli that is resistant to streptomycin and is unable to metabolize the sugar galactose, but it can metabolize glucose.   One of your lab partners has a an F...
Why do non-coding portions of the genomes tend to contain more sequence variation?   a. It is less susceptible to purifying selection b. it helps increase the amino acid sequence diversity that is sy...
Answer the following questions based on the pedigree below. Show at least some of your work. What is the probability that individual 12 will be identical by descent for V 3 (in other words be V 3 V 3 ...
In Drosophila, the gene for white (w) eyes is on the X chromosome and it is epistatic over brown (bw) and scarlet (st) (both located on different autosomes). White, brown, and scarlet are recessive mu...